16559697

素因数分解:

$3^1\times 7^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1$

素因数の和:72

約数の個数: 60

約数和(自身を含む): 29802640

約数和(自身を除く): 13242943

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 77, 121, 133, 147, 209, 231, 343, 363, 399, 539, 627, 847, 931, 1029, 1463, 1617, 2299, 2401, 2541, 2793, 3773, 4389, 5929, 6517, 6897, 7203, 10241, 11319, 16093, 17787, 19551, 26411, 30723, 41503, 45619, 48279, 71687, 79233, 112651, 124509, 136857, 215061, 290521, 337953, 501809, 788557, 871563, 1505427, 2365671, 5519899, 16559697]

約数ペア:

[(1, 16559697), (3, 5519899), (7, 2365671), (11, 1505427), (19, 871563), (21, 788557), (33, 501809), (49, 337953), (57, 290521), (77, 215061), (121, 136857), (133, 124509), (147, 112651), (209, 79233), (231, 71687), (343, 48279), (363, 45619), (399, 41503), (539, 30723), (627, 26411), (847, 19551), (931, 17787), (1029, 16093), (1463, 11319), (1617, 10241), (2299, 7203), (2401, 6897), (2541, 6517), (2793, 5929), (3773, 4389)]